Lenovo X220 BIOS Flashing

michael@michael-ThinkPad-X220:~$ apt-cache search  geteltorito
genisoimage - Creates ISO-9660 CD-ROM filesystem images

michael@michael-ThinkPad-X220:~$ geteltorito 

/usr/bin/geteltorito [-hv] [-o outputfilename] cd-image 
Script will try to extract an El Torito image from a 
bootable CD (or cd-image) given by <cd-image> and write 
the data extracted to STDOUT or to a file.
   -h:        This help. 
   -v:        Print version of script and exit.
   -o <file>: Write extracted data to file <file> instead of STDOUT.



michael@michael-ThinkPad-X220:~$ geteltorito -o x220_1.4_office.img Downloads/8duj26us.iso 
Booting catalog starts at sector: 20 
Manufacturer of CD: NERO BURNING ROM
Image architecture: x86
Boot media type is: harddisk
El Torito image starts at sector 27 and has 63488 sector(s) of 512 Bytes

Image has been written to file "x220_1.4_office.img".